Heavyweight = Muhammad Ali
Cruiserweight = Evander Holyfield
Lightheavyweight = Roy Jones
Supermiddleweight = Joe Calzaghe
Middleweight = Bernard Hopkins
Lightmiddleweight = ??
Welterweight = Miguel Cotto
Jr Welterweight = Meldrick Taylor
Lightweight = ??
Superfeatherweight = Marco Antonio Barrera

don't know enough fighters in the lower divisions